1st : "That my slider measures from a 0 to 10 with a precision of 0,01" : It can be made in advanced setting , but remind: 0.01 not 0,01 (dot). (Slider minimum value: 1 and Slider maximum value: 10 and Slider accuracy: 0.01 )
2nd: "the text at each side of the sliders, like putting BAD---GOOD" Try to put The sub question|BAD|GOOD and Slider left/right text separator to |